<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>定时器</title>
	</head>
	<body>
		<div>
			<img id="img1" src="./img/a.png" >
		</div>
		<script src="js/定时器.js" type="text/javascript" charset="utf-8"></script>
	</body>
</html>
